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Investments In Unconsolidated Joint Ventures (Portside Master Company, L.L.C.) (Narrative) (Details) (USD $)
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6 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 6 Months Ended | 6 Months Ended | |||||||||||
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Jun. 30, 2013
item
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Jul. 15, 2013
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Jun. 30, 2013
PR II Portside Investors, L.L.C. [Member]
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Jun. 30, 2013
Portside Apartment Holdings, L.L.C. [Member]
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Jun. 30, 2013
Portside Apartment Holdings, L.L.C. [Member]
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Jun. 30, 2013
Portside Master Company, L.L.C. [Member]
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Oct. 23, 2012
Portside Master Company, L.L.C. [Member]
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Oct. 23, 2012
Portside Master Company's Interest In Portside Apartment Holdings [Member]
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Jun. 30, 2013
Construction Loan [Member]
Portside Apartment Holdings, L.L.C. [Member]
item
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Jun. 30, 2013
Construction Loan Extension Number 1 [Member]
Portside Apartment Holdings, L.L.C. [Member]
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Jun. 30, 2013
Construction Loan Extension Number 2 [Member]
Portside Apartment Holdings, L.L.C. [Member]
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Jun. 30, 2013
Portside At Pier One Building Seven Property [Member]
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Oct. 23, 2012
Portside At Pier One Building Seven Property [Member]
item
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Jun. 30, 2013
Portside At Pier One Building Seven Property [Member]
PR II Portside Investors, L.L.C. [Member]
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Jun. 30, 2013
Portside At Pier One Building Seven Property [Member]
Construction Loan [Member]
Portside Apartment Holdings, L.L.C. [Member]
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Jun. 30, 2013
Minimum [Member]
Construction Loan [Member]
Portside Apartment Holdings, L.L.C. [Member]
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Jun. 30, 2013
Portside Master Company, L.L.C. [Member]
PR II Portside Investors, L.L.C. [Member]
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| Schedule of Equity Method Investments [Line Items] | |||||||||||||||||
| Indirect residual ownership percentage | 38.25% | ||||||||||||||||
| Number of units | 176 | ||||||||||||||||
| Investment ownership percentage | 85.00% | 45.00% | |||||||||||||||
| Total project costs | $ 66,300,000 | $ 23,800,000 | |||||||||||||||
| Maximum borrowing capacity | 600,000,000 | 600,000,000 | 42,500,000 | 42,500,000 | |||||||||||||
| Amount outstanding | 0 | ||||||||||||||||
| Percentage of operating return on capital | 9.00% | ||||||||||||||||
| Capital balance | 8,700,000 | ||||||||||||||||
| Accumulated unpaid operating return | 300,000 | ||||||||||||||||
| Percentage of capital event cash flows distributed | 65.00% | 35.00% | |||||||||||||||
| Internal rate of return | 12.00% | ||||||||||||||||
| Spread over LIBOR | 1.25% | 2.50% | |||||||||||||||
| Loan maturity date | Dec. 01, 2015 | ||||||||||||||||
| Number of extension options | 2 | 2 | |||||||||||||||
| Loan extension period | 1 year | ||||||||||||||||
| Extension fee | 0.125% | 0.25% | |||||||||||||||
| Percentage of debt guaranteed by the company | 50.00% | ||||||||||||||||
| Percentage of debt guaranteed by the company after project completion | 25.00% | ||||||||||||||||
| Percentage of debt guaranteed by the company after debt service coverage ratio threshold reached | 10.00% | ||||||||||||||||
| Threshold of payment guarantee termination, debt service coverage ratio | 1.25 | ||||||||||||||||
| Development management and other services fees | $ 169,000 | $ 211,000 | |||||||||||||||
| Holding and distribution pattern under operating agreement | In general, the operating agreement of Portside Apartment Holdings provides that operating cash flows are distributed to members first to Prudential Portside and then to Portside Master based on a nine percent operating return on each members' capital balance in priorities as detailed in the operating agreement. Excess operating cash flows are distributed to the members in accordance with their ownership percentages. | ||||||||||||||||